1. City Clinical Hospital No. 31
2. S.P. Botkin Clinical Hospital of Infectious Diseases
3. Children's Scientific and Clinical Center for Infectious Diseases, Federal Medical and Biological Agency
4. I.I. Mechnikov North-Western State Medical University, Ministry of Health of Russia
5. S.M. Kirov Military Medical Academy, Ministry of Defense of Russia
6. I.P. Pavlov First Saint-Petersburg State Medical University, Ministry of Health of Russia
7. Russian Research Institute of Hematology and Transfusiology, Federal Medical and Biological Agency
8. S.P. Botkin Clinical Hospital of Infectious Diseases; I.I. Mechnikov North-Western State Medical University, Ministry of Health of Russia